libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <vector>

#include "opengl.h"

#include "util.h"
#include "oct.h"
#include "view.h"
#include "material.h"

using namespace std;
using namespace gl;

struct geometry
{
  geometry *parent;
  box bbox;

  virtual void update ()
  {
    if (parent)
      parent->update ();
  }

  virtual void draw (view &ctx) = 0;
  geometry (geometry *parent = 0) : parent(parent) { };
  virtual ~geometry ();
};

struct geometry_opengl : geometry
{
  GLuint list; // TODO: dynamic caching

  geometry_opengl ();
  ~geometry_opengl ();
};

template<GLenum type>
struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f>
{
  void set (const vector<vertex_v3f> &v);
  void draw (view &ctx);
};

template<GLenum type>
struct geometry_opengl2d : geometry_opengl
{
  material *m;

  geometry_opengl2d () : m(0) { };

  void set (const vector<vertex_t2f_n3f_v3f> &v);
  void draw (view &ctx);
};

typedef geometry_opengl1d<GL_POINTS>         geometry_points;
typedef geometry_opengl1d<GL_LINES>          geometry_lines;
typedef geometry_opengl1d<GL_LINE_STRIP>     geometry_line_strip;
typedef geometry_opengl1d<GL_LINE_LOOP>      geometry_line_loop;
typedef geometry_opengl2d<GL_TRIANGLES>      geometry_triangles;
typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
typedef geometry_opengl2d<GL_TRIANGLE_FAN>   geometry_triangle_fan;
typedef geometry_opengl2d<GL_QUADS>          geometry_quads;
typedef geometry_opengl2d<GL_QUAD_STRIP>     geometry_quad_strip;
typedef geometry_opengl2d<GL_POLYGON>        geometry_polygon;

struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f>
{
  GLUnurbsObj *nurb;
  GLUtesselator *tess;
  GLfloat ctlpoints[4][4][3];

  geometry_nurbs() : tess(0), nurb(0) { }
  virtual void draw (view &ctx);
  void set ();
};

struct geometry_sphere : geometry
{
  GLfloat radius;

  void update ();
  void draw (view &ctx);
  geometry_sphere (GLfloat radius) : radius(radius) { update (); };
};

/////////////////////////////////////////////////////////////////////////////

struct geometry_filter : geometry
{
protected:
  geometry *g;
public:

  void set (geometry *g);

  geometry *content () { return g; };

  void update ();
  void show ();
  void draw (view &ctx);
  geometry_filter (geometry *g = 0) { set (g); }
  ~geometry_filter ();
};

struct geometry_transform : geometry_filter
{
protected:
  matrix m;
public:
  void update ();

  void show ();
  void draw (view &ctx);
  void set_matrix (const matrix &xfrm);
  void update (const matrix &xfrm);

  geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
  geometry_transform () : geometry_filter(0), m(1) { };
};

struct geometry_anim : geometry_transform
{
  GLfloat vx, vy, vz;
  void draw (view &ctx);
};

struct geometry_container : geometry, protected vector<geometry *>
{
  void update ();

  void add (geometry *g);
  void draw (view &ctx);
  ~geometry_container ();
};

/////////////////////////////////////////////////////////////////////////////

struct entity : geometry_filter
{
  sector orig;
  point p;
  sector a, b; // bounding box corners

  vector<octant *> o;

  void update ();
  void draw (view &ctx);

  void move (const vec3 &v);

  virtual void show ();
  virtual void hide ();

  entity (geometry *g = 0);
  ~entity ();
};

struct light : entity
{
  point p;
  colour c;
  GLfloat intensity;
  GLfloat radius;
};

/////////////////////////////////////////////////////////////////////////////
//
// VERY EXPERIMENTAL HEIGHTMAP

struct geometry_heightfield : geometry
{
  struct node;

  node *tree;

  void update ();
  void draw (view &ctx);
  geometry_heightfield ();
};

#endif


Revision:	1.27
Committed:	Fri Oct 29 22:32:49 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.26:	+15 -0 lines
Log Message:	* empty log message *
#	Content
1	#ifndef ENTITY_H
2	#define ENTITY_H
3
4	#include <vector>
5
6	#include "opengl.h"
7
8	#include "util.h"
9	#include "oct.h"
10	#include "view.h"
11	#include "material.h"
12
13	using namespace std;
14	using namespace gl;
15
16	struct geometry
17	{
18	geometry *parent;
19	box bbox;
20
21	virtual void update ()
22	{
23	if (parent)
24	parent->update ();
25	}
26
27	virtual void draw (view &ctx) = 0;
28	geometry (geometry *parent = 0) : parent(parent) { };
29	virtual ~geometry ();
30	};
31
32	struct geometry_opengl : geometry
33	{
34	GLuint list; // TODO: dynamic caching
35
36	geometry_opengl ();
37	~geometry_opengl ();
38	};
39
40	template<GLenum type>
41	struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f>
42	{
43	void set (const vector<vertex_v3f> &v);
44	void draw (view &ctx);
45	};
46
47	template<GLenum type>
48	struct geometry_opengl2d : geometry_opengl
49	{
50	material *m;
51
52	geometry_opengl2d () : m(0) { };
53
54	void set (const vector<vertex_t2f_n3f_v3f> &v);
55	void draw (view &ctx);
56	};
57
58	typedef geometry_opengl1d<GL_POINTS> geometry_points;
59	typedef geometry_opengl1d<GL_LINES> geometry_lines;
60	typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip;
61	typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop;
62	typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles;
63	typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip;
64	typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan;
65	typedef geometry_opengl2d<GL_QUADS> geometry_quads;
66	typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip;
67	typedef geometry_opengl2d<GL_POLYGON> geometry_polygon;
68
69	struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f>
70	{
71	GLUnurbsObj *nurb;
72	GLUtesselator *tess;
73	GLfloat ctlpoints[4][4][3];
74
75	geometry_nurbs() : tess(0), nurb(0) { }
76	virtual void draw (view &ctx);
77	void set ();
78	};
79
80	struct geometry_sphere : geometry
81	{
82	GLfloat radius;
83
84	void update ();
85	void draw (view &ctx);
86	geometry_sphere (GLfloat radius) : radius(radius) { update (); };
87	};
88
89	/////////////////////////////////////////////////////////////////////////////
90
91	struct geometry_filter : geometry
92	{
93	protected:
94	geometry *g;
95	public:
96
97	void set (geometry *g);
98
99	geometry *content () { return g; };
100
101	void update ();
102	void show ();
103	void draw (view &ctx);
104	geometry_filter (geometry *g = 0) { set (g); }
105	~geometry_filter ();
106	};
107
108	struct geometry_transform : geometry_filter
109	{
110	protected:
111	matrix m;
112	public:
113	void update ();
114
115	void show ();
116	void draw (view &ctx);
117	void set_matrix (const matrix &xfrm);
118	void update (const matrix &xfrm);
119
120	geometry_transform (geometry *g) : geometry_filter(g), m(1) { };
121	geometry_transform () : geometry_filter(0), m(1) { };
122	};
123
124	struct geometry_anim : geometry_transform
125	{
126	GLfloat vx, vy, vz;
127	void draw (view &ctx);
128	};
129
130	struct geometry_container : geometry, protected vector<geometry *>
131	{
132	void update ();
133
134	void add (geometry *g);
135	void draw (view &ctx);
136	~geometry_container ();
137	};
138
139	/////////////////////////////////////////////////////////////////////////////
140
141	struct entity : geometry_filter
142	{
143	sector orig;
144	point p;
145	sector a, b; // bounding box corners
146
147	vector<octant *> o;
148
149	void update ();
150	void draw (view &ctx);
151
152	void move (const vec3 &v);
153
154	virtual void show ();
155	virtual void hide ();
156
157	entity (geometry *g = 0);
158	~entity ();
159	};
160
161	struct light : entity
162	{
163	point p;
164	colour c;
165	GLfloat intensity;
166	GLfloat radius;
167	};
168
169	/////////////////////////////////////////////////////////////////////////////
170	//
171	// VERY EXPERIMENTAL HEIGHTMAP
172
173	struct geometry_heightfield : geometry
174	{
175	struct node;
176
177	node *tree;
178
179	void update ();
180	void draw (view &ctx);
181	geometry_heightfield ();
182	};
183
184	#endif
185
186
187